Journal of Atmospheric and Environmental Optics ›› 2010, Vol. 5 ›› Issue (4): 269-275.

• 论文 • Previous Articles     Next Articles

Sensitivity Research of CO2 Retrieval of Infrared Radiative Spectra

HU Zhen-hua, FANG Fang, GU Xue-jun, FANG Li   

  1. (Laboratory of Environmental Spectroscopy, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Anhui Hefei 230031, China)
  • Received:2009-04-28 Revised:2009-06-18 Online:2010-07-28 Published:2010-07-21

Abstract:

Airborne measurements of high-resolution spectral data are an innovative technology with high spatial resolution and informative features, and the high-resolution spectral data have high sensitivity of retrieving CO2 concentration near the surface of earth. The high-resolution atmospheric radiation software is used to calculate and choose the 1.57??m (6315~6385 cm-1) waveband CO2 high-resolution spectra to retrieve CO2 concentration. The results show that the high-resolution spectral data can detect very small CO2 (1%) changes with sufficient signal to noise ratio and resolution. Also the effects of aerosols in atmospheric and surface temperature change on the high-resolution spectral data of CO2 are analyzed.

Key words: atmospheric radiative transfer, CO2, numerical simulation

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